What is S355JR+N
S355JR+N is a standard that defines the requirements for normalized structural steel grade S355JR. The European standard corresponding to S355JR is EN10255. The "+N" in the name indicates that it is normalized and tempered, which enhances its mechanical properties.
Quality and performance criteria:
Minimum yield strength: 355 N/mm²
Impact strength: at a temperature of -20°C
Advantages:
LEFIN STEEL produces steels based on "S355JR+N" with these advantages:
1. High strength: S355JR+N has a high tensile strength of 470-630MPa, which means it is capable of carrying heavy loads and can withstand high stress and strain.
2. Ductility: S355JR+N is highly ductile, which means it can be easily shaped, bent, and welded without losing its strength.
3. Corrosion-resistant: S355JR+N is also corrosion resistant, making it a suitable choice for applications where it is exposed to moisture and corrosive environments.
4. Long-lasting: Due to its high strength and durability, S355JR+N can last for a long time without the need for frequent maintenance or replacements.
5. Versatile: S355JR+N can be used in a wide range of applications such as construction, engineering, and manufacturing, making it a versatile material.
Application:
1. Construction: S355JR+N is commonly used in the construction industry for its high strength and durability. It can be used in a variety of construction projects, such as bridges, buildings, and offshore structures.
2. Manufacturing: S355JR+N can be used in the manufacturing of heavy machinery, industrial equipment, and transportation vehicles. Its high strength and toughness make it an ideal material for these applications.
3. Oil and gas industry: S355JR+N is also used in the oil and gas industry for its high strength and resistance to corrosion. It can be used for pipelines, pressure vessels, and other equipment used in the extraction and transportation of oil and gas.
4. Renewable energy: S355JR+N is commonly used in the renewable energy sector for the manufacturing of wind turbines, solar panels, and other renewable energy equipment. Its high strength and durability make it ideal for these applications.
Steels produced by S355JR+N:
Some of the steels that are produced by S355JR+N include large diameter pipes(LSAW pipe), bridge beams, offshore structures, and industrial structures.
Overall, S355JR+N is a positive standard that emphasizes the importance of quality and reliability in structural steel. It ensures that the steel is safe, durable, and fit for purpose, making it a critical component in many different industries and applications.
